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首页> 外文期刊>Indian Journal of Fibre & Textile Research >Studies on nature of anisotropy of tensile properties and fibre orientation in cross-laid needle-punched nonwoven fabrics
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Studies on nature of anisotropy of tensile properties and fibre orientation in cross-laid needle-punched nonwoven fabrics

机译：交叉针刺无纺布的拉伸性能和纤维取向各向异性的性质研究

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摘要

An attempt has been made to study the fibre cross laying as well as fibre orientation angle in cross-laid needle-punched nonwoven fabric and its relationship with tensile properties of fabric. Nine fabric samples have been produced by using three types of fibres, namely 100 % polyester, 100 % jute and 50:50 jute-polyester blend with three different numbers of layers (6, 12 and 18). The tensile properties of different cross-laid structures have been measured not only in machine direction (MD) and cross direction (CD) but also at different angles including the angle of laying with respect to the width of the fabric followed by ANOVA analysis in order to assess the nature of anisotropy in terms of tensile properties. It is observed that the number of layers in the web influences the cross laying angle (LA) as well as tensile properties of the fabric. The maximum tenacity is obtained in case of CD and then the tenacity gradually reduces towards the MD. The ANOVA analysis of the data reveals that the cross-laid needle-punched nonwoven fabric possesses reasonable isotropy in respect of both fibre orientation and tenacity in all the fabrics.
机译：已经尝试研究交叉铺设的针刺非织造织物中的纤维交叉铺设以及纤维取向角及其与织物的拉伸性能的关系。通过使用三种类型的纤维（即100％聚酯纤维，100％黄麻纤维和50:50黄麻聚酯纤维混合物）和三种不同数量的层（6、12和18）生产了九种织物样品。不仅在机器方向（MD）和横向（CD）上而且在不同角度（包括相对于织物宽度的铺设角度）进行了不同交叉铺网结构的拉伸性能测量，然后按顺序进行ANOVA分析以拉伸性能评估各向异性的性质。观察到，网中的层数影响织物的交叉角（LA）以及拉伸性能。在CD的情况下获得最大的韧性，然后该韧性朝MD逐渐降低。数据的ANOVA分析表明，在所有织物中，交叉放置的针刺无纺布在纤维取向和强度方面都具有合理的各向同性。

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